Popular Mechanics reports that a Russian defense company has developed a flying vehicle that took to the air earlier this week as manufacturers demonstrated what it can do. The hovercraft, built by Kalashnikov Concern, gets its lift from 16 sets of r… Source: Engadget

Over the past couple of years, Twitter has slowly chipped away at its 140-character constraint. It removed @replies from the limit earlier this year, and exempted photos, videos and quotes from it last year. Now, it's ready to push those character re… Source: Engadget

For a service that began as a simple house-sharing service, Airbnb has definitely expanded to include some interesting, if off-target, promotional initiatives. The company recently stepped into the restaurant reservation space, and has even offered u… Source: Engadget

Buying games and apps digitally is less risky when there's a solid refund policy in place. Apple offers refunds for purchases through its iTunes app store and Microsoft has a self-service system. PC distribution portal Steam allows for refunds within… Source: Engadget

A few of the tech giants you know are about to get fast-track approval for their digital health efforts. The US Food and Drug Administration has named the companies involved in a recently-instituted "pre-certification" program that determines whethe… Source: Engadget

The Department of Homeland Security (DHS) recently posted a new rule in the Federal Register set to go into effect next month. The update is largely to note that certain government electronic documents are also part of immigrants' official records as… Source: Engadget

WhatsApp's existence in China has been hanging by a thread ever since its government blocked users from sending photos and videos in July. Now, it appears that the app no longer works in the country at all. According to Symbolic Software, a Paris-bas… Source: Engadget

Most biometric security has one inconvenience: you have to take an active step to sign in, whether it's putting your finger on a pad or staring at sensors. Wouldn't it be nice if simply being near your device was enough? It might happen. Researche… Source: Engadget

From renewable fuels to eco-friendly airplane tugs — British Airways is interested in decreasing its ecological footprint. The airline has just announced the roll out of five new Molotok remote-controlled electric vehicles that can push back aircraf… Source: Engadget

Australia is very much a participant in the space industry with about 11,500 people working in the field. However, it has never had its own space agency — and that may put it at a disadvantage next to the US, Canada and other countries that have co… Source: Engadget

There's been a lot of fuss over a Russian group buying Facebook ads in the run-up to the 2016 presidential election, to the point where it's handing the ads to Congress as it investigates the scope of Russia's influence campaign. But what's in those… Source: Engadget

Today, Lyft announced a few new features for its driver support app that are meant to make the process of getting help simpler and easier to navigate. First, the Lyft Driver app will now include a button that will allow drivers to quickly connect wit… Source: Engadget

Pinterest gave us all access to its Lens tool last March. In May, the company added some new foodie options, including a way to find recipes based on photos of your meal. It's basically a reverse image search that helps you shop for stuff you see on… Source: Engadget

Last month, Google announced that Walmart would be the next retail partner to use Express, Google's shopping and delivery service. At the time, it wasn't totally clear when the integration would go live, but as of today you can order from Walmart via… Source: Engadget